Simplified identification and filter device of carbon dioxide / 中国医疗器械杂志

This paper presents the design and implementation ways of a simplified device to identify and filter carbon dioxide. The gas went through the test interface which had wet litmus paper before entering the abdominal cavity. Carbon dioxide dissolving in water turned acidic, making litmus paper change color to identify carbon dioxide, in order to avoid malpractice by connecting the wrong gas when making Endoscopic surgery.

Development of the ophthalmology information management system / 中国医疗器械杂志

This article demonstrates the necessity and feasibility of setting up the ophthalmology information management system. It expounds the system's configuration, main functions and hardware, especially the key designing points of the information interfaces.